Fixes part of #59: Testing module builds with both Bazel + Gradle [BLOCKED: #1482]

WORKSPACE

@@ -0,0 +1,141 @@
+'''
+This file lists and imports all external dependencies needed to build Oppia Android.
+'''
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:jvm.bzl", "jvm_maven_import_external")
+load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
+
+# Android SDK configuration. For more details, see:
+# https://docs.bazel.build/versions/master/be/android.html#android_sdk_repository
+# TODO(#1542): Sync Android SDK version with the manifest.
+android_sdk_repository(
+    name = "androidsdk",
+    api_level = 28,
+)
+
+# Add support for JVM rules: https://github.com/bazelbuild/rules_jvm_external
+RULES_JVM_EXTERNAL_TAG = "2.9"
+RULES_JVM_EXTERNAL_SHA = "e5b97a31a3e8feed91636f42e19b11c49487b85e5de2f387c999ea14d77c7f45"
+http_archive(
+    name = "rules_jvm_external",
+    strip_prefix = "rules_jvm_external-%s" % RULES_JVM_EXTERNAL_TAG,
+    sha256 = RULES_JVM_EXTERNAL_SHA,
+    url = "https://github.com/bazelbuild/rules_jvm_external/archive/%s.zip" % RULES_JVM_EXTERNAL_TAG,
+)
+
+# Add support for Kotlin: https://github.com/bazelbuild/rules_kotlin.
+RULES_KOTLIN_VERSION = "legacy-1.4.0-rcx-oppia-exclusive-rc01"
+RULES_KOTLIN_SHA = "600f3d916eda5531dd70614ec96dc92b4ac24da0e1d815eb94559976e9bea8aa"
+http_archive(
+   name = "io_bazel_rules_kotlin",
+   urls = ["https://github.com/oppia/rules_kotlin/archive/%s.zip" % RULES_KOTLIN_VERSION],
+   type = "zip",
+   strip_prefix = "rules_kotlin-%s" % RULES_KOTLIN_VERSION,
+   sha256 = RULES_KOTLIN_SHA,
+)
+
+# TODO(#1535): Remove once rules_kotlin is released because these lines become unnecessary
+load("@io_bazel_rules_kotlin//kotlin:dependencies.bzl", "kt_download_local_dev_dependencies")
+kt_download_local_dev_dependencies()
+
+load("@io_bazel_rules_kotlin//kotlin:kotlin.bzl", "kotlin_repositories", "kt_register_toolchains")
+kotlin_repositories()
+kt_register_toolchains()
+
+# rules_proto defines abstract rules for building Protocol Buffers.
+http_archive(
+    name = "rules_proto",
+    sha256 = "2490dca4f249b8a9a3ab07bd1ba6eca085aaf8e45a734af92aad0c42d9dc7aaf",
+    strip_prefix = "rules_proto-218ffa7dfa5408492dc86c01ee637614f8695c45",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/rules_proto/archive/218ffa7dfa5408492dc86c01ee637614f8695c45.tar.gz",
+        "https://github.com/bazelbuild/rules_proto/archive/218ffa7dfa5408492dc86c01ee637614f8695c45.tar.gz",
+    ],
+)
+
+load("@rules_proto//proto:repositories.bzl", "rules_proto_dependencies", "rules_proto_toolchains")
+rules_proto_dependencies()
+rules_proto_toolchains()
+
+# rules_java defines rules for generating Java code from Protocol Buffers.
+http_archive(
+    name = "rules_java",
+    sha256 = "ccf00372878d141f7d5568cedc4c42ad4811ba367ea3e26bc7c43445bbc52895",
+    strip_prefix = "rules_java-d7bf804c8731edd232cb061cb2a9fe003a85d8ee",
+    urls = [
+        "https://mirror.bazel.build/github.com/bazelbuild/rules_java/archive/d7bf804c8731edd232cb061cb2a9fe003a85d8ee.tar.gz",
+        "https://github.com/bazelbuild/rules_java/archive/d7bf804c8731edd232cb061cb2a9fe003a85d8ee.tar.gz",
+    ],
+)
+
+load("@rules_java//java:repositories.bzl", "rules_java_dependencies", "rules_java_toolchains")
+rules_java_dependencies()
+rules_java_toolchains()
+
+# Add support for Dagger
+DAGGER_TAG = "2.28.1"
+DAGGER_SHA = "9e69ab2f9a47e0f74e71fe49098bea908c528aa02fa0c5995334447b310d0cdd"
+http_archive(
+    name = "dagger",
+    strip_prefix = "dagger-dagger-%s" % DAGGER_TAG,
+    sha256 = DAGGER_SHA,
+    urls = ["https://github.com/google/dagger/archive/dagger-%s.zip" % DAGGER_TAG],
+)
+
+load("@dagger//:workspace_defs.bzl", "DAGGER_ARTIFACTS", "DAGGER_REPOSITORIES")
+
+# Add support for Robolectric: https://github.com/robolectric/robolectric-bazel
+http_archive(
+    name = "robolectric",
+    urls = ["https://github.com/oppia/robolectric-bazel/archive/4.x-oppia-exclusive-rc02.tar.gz"],
+    strip_prefix = "robolectric-bazel-4.x-oppia-exclusive-rc02",
+)
+load("@robolectric//bazel:robolectric.bzl", "robolectric_repositories")
+robolectric_repositories()
+
+# Add support for Firebase Crashlytics
+git_repository(
+    name = "tools_android",
+    commit = "00e6f4b7bdd75911e33c618a9bc57bab7a6e8930",
+    remote = "https://github.com/bazelbuild/tools_android",
+)
+
+load("@tools_android//tools/googleservices:defs.bzl", "google_services_workspace_dependencies")
+google_services_workspace_dependencies()
+
+load("@rules_jvm_external//:defs.bzl", "maven_install")
+
+maven_install(
+    artifacts = DAGGER_ARTIFACTS + [
+        "org.robolectric:robolectric:4.3",
+        "org.robolectric:annotations:4.3",
+        "androidx.appcompat:appcompat:1.0.2",
+        "androidx.annotation:annotation:1.1.0",
+        "androidx.core:core-ktx:1.0.1",
+        "androidx.lifecycle:lifecycle-livedata-ktx:2.2.0-alpha03",
+        "androidx.test.ext:junit:1.1.1",
+        "com.android.support:support-annotations:28.0.0",
+        "org.jetbrains.kotlinx:kotlinx-coroutines-android:1.3.2",
+        "org.jetbrains.kotlinx:kotlinx-coroutines-test:1.2.2",
+        "org.jetbrains.kotlin:kotlin-stdlib-jdk7:jar:1.3.72",
+        "org.jetbrains.kotlin:kotlin-test-junit:1.3.72",
+        "org.jetbrains.kotlin:kotlin-reflect:1.3.41",
+        "com.google.truth:truth:0.43",
+        "com.google.firebase:firebase-analytics:17.4.4",
+        "com.google.firebase:firebase-crashlytics:17.1.1",
+        "com.crashlytics.sdk.android:crashlytics:2.9.8",
+        "io.fabric.sdk.android:fabric:1.4.7",
+        "com.github.bumptech.glide:glide:4.11.0",
+        "com.caverock:androidsvg-aar:1.4",
+        "org.mockito:mockito-core:2.19.0",
+        "junit:junit:4.12",
+    ],
+    repositories = DAGGER_REPOSITORIES + [
+        "https://maven.google.com",
+        "https://repo1.maven.org/maven2",
+        "https://jcenter.bintray.com/",
+        "https://bintray.com/bintray/jcenter",
+        "https://maven.fabric.io/public",
+    ],
+)

firebase/BUILD.bazel

@@ -0,0 +1,35 @@
+# TODO(#1532): Rename file to 'BUILD' post-Gradle.
+'''
+Package for all Firebase dependencies.
+To reference these dependencies, add '//firebase:crashlytics' and '//firebase:crashlytics_deps'
+to your build rule's dependency list.
+'''
+
+load("@rules_jvm_external//:defs.bzl", "artifact")
+load("@dagger//:workspace_defs.bzl", "dagger_rules")
+load("@tools_android//tools/crashlytics:defs.bzl", "crashlytics_android_library")
+load("@tools_android//tools/googleservices:defs.bzl", "google_services_xml")
+
+package(default_visibility = ["//visibility:public"])
+
+GOOGLE_SERVICES_RESOURCES = google_services_xml(
+    package_name = "org.oppia.app",
+    google_services_json = "google-services.json",
+)
+
+crashlytics_android_library(
+    name = "crashlytics",
+    package_name = "org.oppia.app",
+    build_id = "48fc9d17-e102-444c-8e0d-638d75ec0942",
+    resource_files = GOOGLE_SERVICES_RESOURCES,
+)
+
+android_library(
+    name = "crashlytics_deps",
+    exports = [
+        artifact("com.crashlytics.sdk.android:crashlytics"),
+        artifact("io.fabric.sdk.android:fabric"),
+        artifact("com.google.firebase:firebase-analytics"),
+        artifact("com.google.firebase:firebase-crashlytics"),
+    ],
+)

firebase/google-services.json

@@ -0,0 +1,40 @@
+{
+  "project_info": {
+    "project_number": "215533462679",
+    "firebase_url": "https://oppia-android-dev.firebaseio.com",
+    "project_id": "oppia-android-dev",
+    "storage_bucket": "oppia-android-dev.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:215533462679:android:a25a70347460cd014035d2",
+        "android_client_info": {
+          "package_name": "org.oppia.app"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "215533462679-rjdq4c32s9mh9ouq0vlmo80u83a7kjdr.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyCI5yOe1vF9g_e3tcIQb64C5i64AUNT1fc"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "215533462679-rjdq4c32s9mh9ouq0vlmo80u83a7kjdr.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

model/BUILD.bazel

@@ -0,0 +1,166 @@
+# TODO(#1532): Rename file to 'BUILD' post-Gradle.
+'''
+This library contains all protos used in the app and is a dependency for all other modules.
+In Bazel, proto files are built using the proto_library() and java_lite_proto_library() rules.
+The proto_library() rule creates a proto file library to be used in multiple languages.
+The java_lite_proto_library() rule takes in a proto_library target and generates java code.
+'''
+
+load("@rules_proto//proto:defs.bzl", "proto_library")
+load("@rules_java//java:defs.bzl", "java_lite_proto_library")
+load("//model:src/main/proto/format_import_proto_library.bzl", "format_import_proto_library")
+
+proto_library(
+    name = "event_logger_proto",
+    srcs = ["src/main/proto/oppia_logger.proto"],
+)
+
+java_lite_proto_library(
+    name = "event_logger_java_proto_lite",
+    deps = [":event_logger_proto"],
+)
+
+proto_library(
+    name = "example_proto",
+    srcs = ["src/main/proto/example.proto"],
+)
+
+java_lite_proto_library(
+    name = "example_java_proto_lite",
+    deps = [":example_proto"],
+)
+
+proto_library(
+    name = "interaction_object_proto",
+    srcs = ["src/main/proto/interaction_object.proto"],
+)
+
+java_lite_proto_library(
+    name = "interaction_object_java_proto_lite",
+    deps = [":interaction_object_proto"],
+)
+
+proto_library(
+    name = "onboarding_proto",
+    srcs = ["src/main/proto/onboarding.proto"],
+)
+
+java_lite_proto_library(
+    name = "onboarding_java_proto_lite",
+    deps = [":onboarding_proto"],
+)
+
+proto_library(
+    name = "profile_proto",
+    srcs = ["src/main/proto/profile.proto"],
+)
+
+java_lite_proto_library(
+    name = "profile_java_proto_lite",
+    deps = [":profile_proto"],
+)
+
+proto_library(
+    name = "subtitled_html_proto",
+    srcs = ["src/main/proto/subtitled_html.proto"],
+)
+
+java_lite_proto_library(
+    name = "subtitled_html_java_proto_lite",
+    deps = [":subtitled_html_proto"],
+)
+
+proto_library(
+    name = "thumbnail_proto",
+    srcs = ["src/main/proto/thumbnail.proto"],
+)
+
+java_lite_proto_library(
+    name = "thumbnail_java_proto_lite",
+    deps = [":thumbnail_proto"],
+)
+
+proto_library(
+    name = "translation_proto",
+    srcs = ["src/main/proto/translation.proto"],
+)
+
+java_lite_proto_library(
+    name = "translation_java_proto_lite",
+    deps = [":translation_proto"],
+)
+
+proto_library(
+    name = "voiceover_proto",
+    srcs = ["src/main/proto/voiceover.proto"],
+)
+
+java_lite_proto_library(
+    name = "voiceover_java_proto_lite",
+    deps = [":voiceover_proto"],
+)
+
+format_import_proto_library(
+    name = "question",
+    src = "src/main/proto/question.proto",
+    deps = [
+        ":exploration_proto",
+        ":subtitled_html_proto",
+    ],
+)
+
+java_lite_proto_library(
+    name = "question_java_proto_lite",
+    deps = [":question_proto"],
+)
+
+format_import_proto_library(
+    name = "topic",
+    src = "src/main/proto/topic.proto",
+    deps = [
+        ":subtitled_html_proto",
+        ":thumbnail_proto",
+        ":translation_proto",
+        ":voiceover_proto",
+    ],
+)
+
+java_lite_proto_library(
+    name = "topic_java_proto_lite",
+    deps = [":topic_proto"],
+)
+
+format_import_proto_library(
+    name = "exploration",
+    src = "src/main/proto/exploration.proto",
+    deps = [
+        ":subtitled_html_proto",
+        ":interaction_object_proto",
+        ":translation_proto",
+        ":voiceover_proto",
+    ],
+)
+
+java_lite_proto_library(
+    name = "exploration_java_proto_lite",
+    deps = [":exploration_proto"],
+)
+
+android_library(
+    name = "model",
+    exports = [
+        ":event_logger_java_proto_lite",
+        ":example_java_proto_lite",
+        ":interaction_object_java_proto_lite",
+        ":onboarding_java_proto_lite",
+        ":profile_java_proto_lite",
+        ":subtitled_html_java_proto_lite",
+        ":thumbnail_java_proto_lite",
+        ":translation_java_proto_lite",
+        ":voiceover_java_proto_lite",
+        ":exploration_java_proto_lite",
+        ":question_java_proto_lite",
+        ":topic_java_proto_lite",
+    ],
+    visibility = ["//visibility:public"],
+)